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Abstract

Surface-enhanced Raman scattering (SERS) and surface-enhanced resonance Raman
scattering (SERRS) can provide positive identification of an analyte or an analyte
mixture with high sensitivity and selectivity. Better understanding of the theory
and advances in the understanding of the practice have led to the development of
practical applications in which the unique advantages of SERS/SERRS have been used
to provide effective solutions to difficult analytical problems. This review
presents a basic theory and illustrates the way in which SERS/SERRS has been
developed for practical use.